AD9281 双通道、8位分辨率、CMOS ADC

AD9281是一款完整双通道、28 MSPS、8位CMOS ADC，专门针对要求两个ADC高度匹配的应用（例如通信应用中的I/Q通道）进行了优化。28 MHz采样速率和宽输入带宽可涵盖窄带与扩频两种通道。AD9281集成两个8位、28 MSPS ADC、两个输入缓冲放大器、一个内部基准电压源和多路复用数字输出缓冲。

产品特点和性能优势
  • 完整双核匹配ADC
  • 低功耗：225 mW（+3 V电源）
  • 单电源：2.7 V至5.5 V
  • 微分非线性误差：0.1 LSB
  • 片内模拟输入缓冲
  • 片内基准电压源
  • 信噪比：49.2 dB
  • 7个以上有效位
  • 无杂散动态范围：–65 dB
  • 保证无失码
  • 28引脚SSOP封装
模数转换器 (ADC)
数据手册
文档备注
AD9281: Dual Channel 8-Bit Resolution CMOS ADC Data Sheet (Rev. F)PDF 406 kB
应用笔记
文档备注
AN-905: Visual Analog Converter Evaluation Tool Version 1.0 User Manual (Rev. 0)PDF 2124 kB
AN-835: Understanding High Speed ADC Testing and Evaluation (Rev. B)PDF 985 kB
AN-501: Aperture Uncertainty and ADC System Performance (Rev. A)PDF 227 kB
AN-282: Fundamentals of Sampled Data SystemsPDF 2131 kB
AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (Rev. 0)PDF 291.7 K
AN-935: Designing an ADC Transformer-Coupled Front End (Rev. 0)PDF 363 kB
AN-345: Grounding for Low-and-High-Frequency CircuitsPDF 455 kB
AN-835: 高速ADC测试和评估 (Rev. 0)PDF 1916 kB
AN-282: 采样数据系统基本原理[中文版] (Rev. A)PDF 1559 kB
AN-737: 如何用ADIsimADC完成ADC建模 (Rev. B)PDF 373 kB
AN-737: How ADIsimADC Models an ADC (Rev. B)PDF 373 kB
AN-905: VisualAnalog™转换器评估工具1.0版用户手册 (Rev. 0)PDF 2124 kB
AN-935: ADC变压器耦合前端设计[中文版] (Rev. 0)PDF 448 kB
AN-715: 走近IBIS模型：什么是IBIS模型？它们是如何生成的？ (Rev. 0)PDF 370 kB
AN-715: A First Approach to IBIS Models: What They Are and How They Are Generated (Rev. 0)PDF 370.2 K
AN-345: 低频和高频电路接地PDF 823 kB
AN-756: 系统采样以及时钟相位噪声和抖动的影响[中文版] (Rev. 0)PDF 808 kB
AN-501: 孔径不确定度与ADC系统性能[中文版] (Rev. A)PDF 227 kB
AN-741: Little Known Characteristics of Phase Noise (Rev. 0)PDF 1679 kB
AN-741: 鲜为人知的相位噪声特性PDF 359 kB
AN-297: Test Video A/D Converters Under Dynamic ConditionsPDF 731 kB
AN-302: Exploit Digital Advantages in an SSB ReceiverPDF 417 kB
订购信息
产品型号封装包装数量温度范围美金报价 100-499美金报价 1000+RoHS
AD9281ARS 量产28 ld SSOPOTH 47-40 至 85至54.75N
AD9281ARSRL 量产28 ld SSOPREEL 1500-40 至 85至04.75N
AD9281ARSZ 量产28 ld SSOPOTH 47-40 至 85至4.123.91Y
AD9281ARSZRL 量产28 ld SSOPREEL 1500-40 至 85至03.91Y
参考资料
AD9281: Dual Channel 8-Bit Resolution CMOS ADC Data Sheet (Rev. F) ad9281
AN-905: Visual Analog Converter Evaluation Tool Version 1.0 User Manual (Rev. 0) ad9220
AN-835: Understanding High Speed ADC Testing and Evaluation (Rev. B) ad9220
AN-501: Aperture Uncertainty and ADC System Performance (Rev. A) ad9220
AN-282: Fundamentals of Sampled Data Systems ad1674
AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (Rev. 0) ad9220
AN-935: Designing an ADC Transformer-Coupled Front End (Rev. 0) ad9220
AN-345: Grounding for Low-and-High-Frequency Circuits ad9220
AN-835: 高速ADC测试和评估 (Rev. 0) ad9510
AN-282: 采样数据系统基本原理[中文版] (Rev. A) ad75019
AN-737: 如何用ADIsimADC完成ADC建模 (Rev. B) ad6642
AN-737: How ADIsimADC Models an ADC (Rev. B) ad9220
AN-905: VisualAnalog™转换器评估工具1.0版用户手册 (Rev. 0) ad6655
AN-935: ADC变压器耦合前端设计[中文版] (Rev. 0) ad6655
AN-715: 走近IBIS模型：什么是IBIS模型？它们是如何生成的？ (Rev. 0) ad6655
AN-715: A First Approach to IBIS Models: What They Are and How They Are Generated (Rev. 0) ad9220
AN-345: 低频和高频电路接地 ad9540
AN-756: 系统采样以及时钟相位噪声和抖动的影响[中文版] (Rev. 0) ad9540
AN-501: 孔径不确定度与ADC系统性能[中文版] (Rev. A) ad9540
AN-741: Little Known Characteristics of Phase Noise (Rev. 0) ad9221
AN-741: 鲜为人知的相位噪声特性 ad9540
AN-297: Test Video A/D Converters Under Dynamic Conditions ad9814
AN-302: Exploit Digital Advantages in an SSB Receiver ad6600
MS-2210：高速ADC的电源设计 ad9861
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